Nancy Drew must search for a flight of 99 Steps to solve the Mystery of a friend\'s weird dream.
Is it blackmail? Nancy\'s quest for further clues leads to the romantic chateau country in the Loire Valley, where a web of danger closes in tightly around the three girls..
Drew\'s case and her own Mystery are linked by the 99 steps, and that a mysterious man has a strong hold over Leblanc.
Startling discoveries convince the young detective that Mr.
With her friends Bess and George, Nancy arrives in Paris to join her father who is working on another case: to find out what, or who, is frightening wealth financier Monsieur Leblanc into selling large amounts of securities.
Her search leads her to France, but before she leaves the United States, an unknown person calling himself Monsieur Neuf warns the young sleuth not to pursue her mission.
Nancy Drew must search for a flight of 99 Steps to solve the Mystery of a friend\'s weird dream